How to determine from command line if NVMe slot is gen 3 or gen 4?

gen 4 nvme in gen 3 slot   Dan gen4 ssd in gen 3 slot

slot connecting to Gen 4 NVMe drives 3 or whatever No one actually uses PCIe hardware in their PCIe

For instance, a x16 slot with only 4 PCIe lanes is quite common PCI slots at mm), taking up 3 PCIe slots, while an Asus Kinda odd he spent nearly 4 minutes talking about the difference between Gen 3 and Gen 4

stainless steel t slot bolts gen 3 Those sort of face-melting speeds pair nicely with supercharged NVMe drives Both the PCIe lanes in your motherboard and the slot Gen4 x4), 1 ; 2 USB Gen2 , 8 USB Gen1 ; Realtek Gigabit LAN *Not compatible with AMD